diff options
author | Vincent Bernat <bernat@luffy.cx> | 2012-06-04 11:40:04 +0200 |
---|---|---|
committer | Vincent Bernat <bernat@luffy.cx> | 2012-06-25 19:05:17 +0200 |
commit | 3bc4f84efe147ebc65fccbe898b81d78341c542b (patch) | |
tree | cfe0f904c134fdb7659f6a47897aff88208d2ddd /ospf6d/ospf6_snmp.c | |
parent | ea86e4042b7459fbf5d96835c509cb743bf013c0 (diff) |
ospf6d: add SNMP implementation of ospfv3IfTable
Diffstat (limited to 'ospf6d/ospf6_snmp.c')
-rw-r--r-- | ospf6d/ospf6_snmp.c | 204 |
1 files changed, 203 insertions, 1 deletions
diff --git a/ospf6d/ospf6_snmp.c b/ospf6d/ospf6_snmp.c index 293d66a1..1880fc0a 100644 --- a/ospf6d/ospf6_snmp.c +++ b/ospf6d/ospf6_snmp.c @@ -227,6 +227,8 @@ static u_char *ospfv3AreaLsdbEntry (struct variable *, oid *, size_t *, int, size_t *, WriteMethod **); static u_char *ospfv3NbrEntry (struct variable *, oid *, size_t *, int, size_t *, WriteMethod **); +static u_char *ospfv3IfEntry (struct variable *, oid *, size_t *, + int, size_t *, WriteMethod **); struct variable ospfv3_variables[] = { @@ -326,6 +328,54 @@ struct variable ospfv3_variables[] = {OSPFv3AREALSDBTYPEKNOWN, INTEGER, RONLY, ospfv3AreaLsdbEntry, 4, {1, 4, 1, 9}}, + /* OSPFv3 interfaces */ + {OSPFv3IFAREAID, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 3}}, + {OSPFv3IFTYPE, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 4}}, + {OSPFv3IFADMINSTATUS, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 5}}, + {OSPFv3IFRTRPRIORITY, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 6}}, + {OSPFv3IFTRANSITDELAY, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 7}}, + {OSPFv3IFRETRANSINTERVAL, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 8}}, + {OSPFv3IFHELLOINTERVAL, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 9}}, + {OSPFv3IFRTRDEADINTERVAL, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 10}}, + {OSPFv3IFPOLLINTERVAL, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 11}}, + {OSPFv3IFSTATE, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 12}}, + {OSPFv3IFDESIGNATEDROUTER, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 13}}, + {OSPFv3IFBACKUPDESIGNATEDROUTER, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 14}}, + {OSPFv3IFEVENTS, COUNTER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 15}}, + {OSPFv3IFROWSTATUS, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 16}}, + {OSPFv3IFDEMAND, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 17}}, + {OSPFv3IFMETRICVALUE, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 18}}, + {OSPFv3IFLINKSCOPELSACOUNT, GAUGE, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 19}}, + {OSPFv3IFLINKLSACKSUMSUM, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 20}}, + {OSPFv3IFDEMANDNBRPROBE, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 21}}, + {OSPFv3IFDEMANDNBRPROBERETRANSLIMIT, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 22}}, + {OSPFv3IFDEMANDNBRPROBEINTERVAL, UNSIGNED, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 23}}, + {OSPFv3IFTEDISABLED, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 24}}, + {OSPFv3IFLINKLSASUPPRESSION, INTEGER, RONLY, ospfv3IfEntry, + 4, {1, 7, 1, 25}}, + /* OSPFv3 neighbors */ {OSPFv3NBRADDRESSTYPE, INTEGER, RONLY, ospfv3NbrEntry, 4, {1, 9, 1, 4}}, @@ -692,6 +742,159 @@ if_icmp_func (struct interface *ifp1, struct interface *ifp2) } static u_char * +ospfv3IfEntry (struct variable *v, oid *name, size_t *length, + int exact, size_t *var_len, WriteMethod **write_method) +{ + unsigned int ifindex, instid; + struct ospf6_interface *oi = NULL; + struct ospf6_lsa *lsa = NULL; + struct interface *iif; + struct listnode *i; + struct list *ifslist; + oid *offset; + int offsetlen, len; + u_int32_t sum; + + if (smux_header_table (v, name, length, exact, var_len, write_method) + == MATCH_FAILED) + return NULL; + + ifindex = instid = 0; + + /* Check OSPFv3 instance. */ + if (ospf6 == NULL) + return NULL; + + /* Get variable length. */ + offset = name + v->namelen; + offsetlen = *length - v->namelen; + + if (exact && offsetlen != 2) + return NULL; + + /* Parse if index */ + len = (offsetlen < 1 ? 0 : 1); + if (len) + ifindex = *offset; + offset += len; + offsetlen -= len; + + /* Parse instance ID */ + len = (offsetlen < 1 ? 0 : 1); + if (len) + instid = *offset; + offset += len; + offsetlen -= len; + + if (exact) + { + oi = ospf6_interface_lookup_by_ifindex (ifindex); + if (oi->instance_id != instid) return NULL; + } + else + { + /* We build a sorted list of interfaces */ + ifslist = list_new (); + if (!ifslist) return NULL; + ifslist->cmp = (int (*)(void *, void *))if_icmp_func; + for (ALL_LIST_ELEMENTS_RO (iflist, i, iif)) + listnode_add_sort (ifslist, iif); + + for (ALL_LIST_ELEMENTS_RO (ifslist, i, iif)) + { + if (!iif->ifindex) continue; + oi = ospf6_interface_lookup_by_ifindex (iif->ifindex); + if (!oi) continue; + if (iif->ifindex > ifindex || + (iif->ifindex == ifindex && + (oi->instance_id > instid))) + break; + oi = NULL; + } + + list_delete_all_node (ifslist); + } + + if (!oi) return NULL; + + /* Add Index (IfIndex, IfInstId) */ + *length = v->namelen + 2; + offset = name + v->namelen; + *offset = oi->interface->ifindex; + offset++; + *offset = oi->instance_id; + offset++; + + /* Return the current value of the variable */ + switch (v->magic) + { + case OSPFv3IFAREAID: + if (oi->area) + return SNMP_INTEGER (ntohl (oi->area->area_id)); + break; + case OSPFv3IFTYPE: + if (if_is_broadcast (oi->interface)) + return SNMP_INTEGER (1); + else if (if_is_pointopoint (oi->interface)) + return SNMP_INTEGER (3); + else break; /* Unknown, don't put anything */ + case OSPFv3IFADMINSTATUS: + if (oi->area) + return SNMP_INTEGER (OSPF_STATUS_ENABLED); + return SNMP_INTEGER (OSPF_STATUS_DISABLED); + case OSPFv3IFRTRPRIORITY: + return SNMP_INTEGER (oi->priority); + case OSPFv3IFTRANSITDELAY: + return SNMP_INTEGER (oi->transdelay); + case OSPFv3IFRETRANSINTERVAL: + return SNMP_INTEGER (oi->rxmt_interval); + case OSPFv3IFHELLOINTERVAL: + return SNMP_INTEGER (oi->hello_interval); + case OSPFv3IFRTRDEADINTERVAL: + return SNMP_INTEGER (oi->dead_interval); + case OSPFv3IFPOLLINTERVAL: + /* No support for NBMA */ + break; + case OSPFv3IFSTATE: + return SNMP_INTEGER (oi->state); + case OSPFv3IFDESIGNATEDROUTER: + return SNMP_INTEGER (ntohl (oi->drouter)); + case OSPFv3IFBACKUPDESIGNATEDROUTER: + return SNMP_INTEGER (ntohl (oi->bdrouter)); + case OSPFv3IFEVENTS: + return SNMP_INTEGER (oi->state_change); + case OSPFv3IFROWSTATUS: + return SNMP_INTEGER (1); + case OSPFv3IFDEMAND: + return SNMP_INTEGER (SNMP_FALSE); + case OSPFv3IFMETRICVALUE: + return SNMP_INTEGER (oi->cost); + case OSPFv3IFLINKSCOPELSACOUNT: + return SNMP_INTEGER (oi->lsdb->count); + case OSPFv3IFLINKLSACKSUMSUM: + for (sum = 0, lsa = ospf6_lsdb_head (oi->lsdb); + lsa; + lsa = ospf6_lsdb_next (lsa)) + sum += ntohs (lsa->header->checksum); + return SNMP_INTEGER (sum); + case OSPFv3IFDEMANDNBRPROBE: + case OSPFv3IFDEMANDNBRPROBERETRANSLIMIT: + case OSPFv3IFDEMANDNBRPROBEINTERVAL: + case OSPFv3IFTEDISABLED: + case OSPFv3IFLINKLSASUPPRESSION: + /* Not implemented. Only works if all the last ones are not + implemented! */ + return NULL; + } + + /* Try an internal getnext. Some columns are missing in this table. */ + if (!exact && (name[*length-1] < MAX_SUBID)) + return ospfv3IfEntry(v, name, length, + exact, var_len, write_method); + return NULL; +} + +static u_char * ospfv3NbrEntry (struct variable *v, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { @@ -822,7 +1025,6 @@ ospfv3NbrEntry (struct variable *v, oid *name, size_t *length, return NULL; } - /* Register OSPFv3-MIB. */ void ospf6_snmp_init (struct thread_master *master) |